caa a22 4500 445851864 CHVBK 20180317145415.0 cr unu---uuuuu 170323e20111101xx s 000 0 eng 10.1007/s11227-009-0367-5 doi (NATIONALLICENCE)springer-10.1007/s11227-009-0367-5 Trasgo [Elektronische Daten] a nested-parallel programming system [Arturo González-Escribano, Diego Llanos] Programming models of pure nested-parallelism are appealing due to their ease of programming and good analysis and debugging properties. Although their simple synchronization structure is appropriate to represent abstract parallel algorithms, it does not take into account many implementation issues. In this work we present Trasgo, a programming system based on high-level, nested-parallel specifications. We show how it allows to easily express complex combinations of data and task parallelism with a common scheme, hiding the layout and scheduling details. The approach allows the development of a modular compiler where automatic transformation techniques may exploit lower level and more complex synchronization structures, unlocking the limitations of pure nested-parallel programming. This article presents an overview of the features of Trasgo, and its architecture. We present some performance results using well-known parallel algorithms, and a roadmap of improvements and new features to be added to Trasgo. Springer Science+Business Media, LLC, 2009 High-level programming models nationallicence Parallel compilers nationallicence González-Escribano Arturo Departamento Informática, Universidad de Valladolid, Valladolid, Spain aut Llanos Diego Departamento Informática, Universidad de Valladolid, Valladolid, Spain aut The Journal of Supercomputing Springer US; http://www.springer-ny.com 58/2(2011-11-01), 226-234 0920-8542 58:2<226 2011 58 11227 https://doi.org/10.1007/s11227-009-0367-5 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11227-009-0367-5 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- González-Escribano Arturo Departamento Informática, Universidad de Valladolid, Valladolid, Spain aut NATIONALLICENCE 700 1- Llanos Diego Departamento Informática, Universidad de Valladolid, Valladolid, Spain aut NATIONALLICENCE 773 0- The Journal of Supercomputing Springer US; http://www.springer-ny.com 58/2(2011-11-01), 226-234 0920-8542 58:2<226 2011 58 11227 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer